<template>
  <ul>
    <li :style="{opacity}">欢迎学习vue</li>
    <li>news001 <input type="text"/></li>
    <li>news002<input type="text"/></li>
    <li>news003<input type="text"/></li>
  </ul>
</template>

<script>
export default {
  name: "News",
  data(){
    return {
      opacity: 1
    }
  },
  activated() {
    this.timer = setInterval(() => {
      console.log('@')
      this.opacity -= 0.01;
      if(this.opacity <= 0) this.opacity = 1;
    },16);
  },
  deactivated() {
    clearInterval(this.timer);
  }
}
</script>

<style scoped>

</style>
